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'use strict';
// Create the REPL if `-i` or `--interactive` is passed, or if
// the main module is not specified and stdin is a TTY.
const {
prepareMainThreadExecution
} = require('internal/bootstrap/pre_execution');
const esmLoader = require('internal/process/esm_loader');
const {
evalScript
} = require('internal/process/execution');
const console = require('internal/console/global');
const { getOptionValue } = require('internal/options');
prepareMainThreadExecution();
markBootstrapComplete();
if (process.env.NODE_REPL_EXTERNAL_MODULE) {
require('internal/modules/cjs/loader')
.Module
._load(process.env.NODE_REPL_EXTERNAL_MODULE, undefined, true);
} else {
// --input-type flag not supported in REPL
if (getOptionValue('--input-type')) {
// If we can't write to stderr, we'd like to make this a noop,
// so use console.error.
console.error('Cannot specify --input-type for REPL');
process.exit(1);
}
esmLoader.loadESM(() => {
console.log(`Welcome to Node.js ${process.version}.\n` +
'Type ".help" for more information.');
const cliRepl = require('internal/repl');
cliRepl.createInternalRepl(process.env, (err, repl) => {
if (err) {
throw err;
}
repl.on('exit', () => {
if (repl._flushing) {
repl.pause();
return repl.once('flushHistory', () => {
process.exit();
});
}
process.exit();
});
});
// If user passed '-e' or '--eval' along with `-i` or `--interactive`,
// evaluate the code in the current context.
if (getOptionValue('[has_eval_string]')) {
evalScript('[eval]',
getOptionValue('--eval'),
getOptionValue('--inspect-brk'),
getOptionValue('--print'));
}
});
}
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